Individual Calculations July 2009
 Pirola, Andrea  Total change: -40.25  Rating chartPersonal card
 OP Bergamo Bergamo ITA 2009-03-13
RcRownchangeKK*chgGame
 2120 2140 0.50 4 -1.61 25 -40.25 
  Bertani, Gianfranco 2100 ITA0.001-0.5625-14.00 
  Logar, Metod 2081 SLO0.501-0.0825-2.00 
  Tocchioni, Doriano 2264 ITA0.001-0.3325-8.25 
  Rumiantseva, Maria 2034 RUS0.001-0.6425-16.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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